Name: Expt. 4: Molecular Models: Stereoisomers Laboratory Work – Be sure and answer all questions embedded in the text. Shown below is a representation of 2-bromopropane. a. Draw the mirror image of this representation. b. Build a model of each structure. Are the two structures superimposable? 1. 1o fro c. Look carefully at one of your models. Do you see a mirror plane of symmetry in the molecule? d. If so, draw where it is or describe in words what the plane is. er an steren somers H. CH3 . -Br CH3 mirror plane

Name: Expt. 4: Molecular Models: Stereoisomers Laboratory Work – Be sure and answer all questions embedded in the text. Shown below is a representation of 2-bromopropane. a. Draw the mirror image of this representation. b. Build a model of each structure. Are the two structures superimposable? 1. 1o fro c. Look carefully at one of your models. Do you see a mirror plane of symmetry in the molecule? d. If so, draw where it is or describe in words what the plane is. er an steren somers H. CH3 . -Br CH3 mirror plane

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

By first working out how many stereogenic centers are present in the following molecules, determine how many optical isomers exist Br. III.. OH
B.25
The sample that has no effect on the plane polarised light is a solution of (2S,3R)-diaminebutane (2S,3S)-diaminebutane (2R,3R)-diaminebutane An equimolar mixture of a & b a. b. C. d.
3. Complete the following 3 tasks for each molecule a-f. i. Label each molecule as chiral, achiral, optically active, ii. iii. optically inactive, and/or meso. Label any stereocenters found in each molecule as R or S. Identify the relationship between the molecule in the box and molecules a-f. Are they identical molecules, resonance structures, enantiomers, diastereomers, constitutional isomers, or molecules with different molecular formulas? A molecular model kit may help you compare structures. a. C. e. :O: d. .N. :O: بعد ہم f. :O: :0 N.
Ignore the avogadro part
A3
Given the following compounds: a. HO- CH2 – CH– CH b. CH3- CH2 – CH - OH į. ii. Determine and give the number of chiral carbon Draw the stereoisomers Identify the enantiomers Identify the diastereomers i. iv.
a. Use strain energy increments in the OWL Table Reference (see References button, Strain Energy Increments) to calculate the energy difference between the two chair conformations of the compound b. Specify substituent positions (axial or equatorial) in the more stable chair. c. Estimate the percent of the more stable chair at equilibrium at 25°C. (To determine the percent of the more stable chair at equilibrium, first calculate Keq, and then use this value to find the percentage.) CH3 CH3 Answers: a. The energy difference is b. In the more stable chair: • The phenyl group is in the • The isopropyl group is in the | kJ/mol. position. position. c. At 25°C the equilibrium percent of the more stable chair conformation is approximately [
(1) Determine the isometric relationship, constitutional, enantiomers, distereomers, geometric (cis/trans), or meso, between each pair of organic compounds. Please explain further than "identical" (ii) circle all structures that are not optically active. d. e. f.g. d. g. SH ļ SH SH SH Br 11 OH OH or or 3 SH z Br SH
Enantiomers 1. Construct a model with a tetrahedral carbon in the center and four different colored groups attached to it. Answer the following on your report sheet. a. Does this model have a plane of symmetry? b. Does the sink at your lab bench have a plane of symmetry?
Evaluate the following statements as True or False about the following two molecules. 줫 2 A. 1 and 2 are the two chair conformations of the same molecule. B. There is a 1,3-diaxial interaction in 2. C. 1 has more strain than 2. D. The two structures are stereoisomers.
Can I please get help with question 4.